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Quiz: Sliding Window Protocols v Consider a path of bottleneck capacity R, round-trip time T, and maximum segment size L. What is the greatest throughput improvement factor that an ideal pipelined protocol (assuming corruptions and loss are negligible) can provide compared to a stop-and-wait protocol? A. 2L/(RT+L) B. (L/R)/( T+L/R) C. (RT+L)/L Copyright By https://powcoder.com […]

Quiz: Throughput Suppose: Host A has a large file of size F bits to send to Host B File is split into N packets, each of length L bits (i.e., N=F/L) Ignore propagation delay for now q Ques&on 1: how long does it take for the file to arrive at B? A: (N+2)L/R = (F+2L)/R

COMP 3331/9331 Computer Networks and Applications Network Data Plane – Answers Q1) The only entries in a certain route table are (128.59.28.0/22, port 0), (128.59.28.0/23, port 1) and (128.59.28.0/24, port 2). These entries indicate CIDR network number, the prefix and the corresponding port to which a packet should be forwarded. If a packet arrives with

Quiz: RDT 2.2 with only NACKs v RDT 2.2 uses only ACKs and is robust against packet errors. Would it be possible to implement RDT 2.2 with only NACKs? Please explain your rationale Transport Layer 64 Copyright By https://powcoder.com 加微信 powcoder

COMP 3331/9331 Computer Networks and Applications Network Data Plane – Questions Q1) The only entries in a certain route table are (128.59.28.0/22, port 0), (128.59.28.0/23, port 1) and (128.59.28.0/24, port 2). These entries indicate CIDR network number, the prefix and the corresponding port to which a packet should be forwarded. If a packet arrives with

COMP 3331/9331 Computer Networks and Applications Transport Layer (2) – Questions Q1) Given the following scenario, populate the TCP header fields that follow for the Sequence Number, Acknowledgement Number, and Flags. Copyright By https://powcoder.com 加微信 powcoder Flags = S Seq. No. = 4676 Ack. No. = Blank Flags = S A Seq. No. = 3334

Resources / Final Exam (/COMP3331/21T3/resources/65993) / Final Exam Terms and Conditions Final Exam Terms and Conditions The examination is open book. Candidates may bring to the examination: A device to access the Inspera quiz via the Internet UNSW approved calculators Copyright By https://powcoder.com 加微信 powcoder Pens, pencils and paper for problem-solving. Any notes, lecture slides,

COMP 3331/9331 Computer Networks and Applications Link Layer – Solutions Q1. What are some of the possible services that a link-layer protocol can offer to the network layer? Which of these link-layer services have corresponding services in IP and TCP? Answer. framing: there is also framing in IP and TCP; link access; reliable delivery: there